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Characterization of LEAFY COTYLEDON1-LIKE gene in Helianthus annuus and its relationship with zygotic and somatic embryogenesis
The Helianthus annuusLEAFY COTYLEDON1-LIKE (HaL1L) gene encodes a heme-activated protein 3 subunit of the CCAAT box-binding factor. The phylogenetic analysis indicates that HaL1L is closely relatedExpand
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MISSING FLOWERS gene controls axillary meristems initiation in sunflower
Summary: The initiation and growth of axillary meristems are fundamental components of plant architecture. Here, we describe the mutant missing flowers (mf) of Helianthus annuus characterized by theExpand
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Development of somatic embryos from morphogenetic cells of the interspecific hybrid Helianthus annuus * Helianthus tuberosus
Abstract The morphogenetic competence to differentiate somatic embryos was evaluated in leaf explants of anther-derived plants (EMB-1 clone) of the tetraploid interspecific hybrid Helianthus annuus ×Expand
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Stem fasciated, a recessive mutation in sunflower (Helianthus annuus), alters plant morphology and auxin level.
BACKGROUND AND AIMS Plant lateral organs such as leaves arise from a group of initial cells within the flanks of the shoot apical meristem (SAM). Alterations in the initiation of lateral organs areExpand
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Epiphylly in a Variant of Helianthus annuus × H. tuberosus Induced by In Vitro Tissue Culture
A variant clone (EMB‐2) derived by in vitro tissue culture of the interspecific hybrid Helianthus annuus × Helianthus tuberosus shows a particular deviation from the usual pattern of plantExpand
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Expression of HtKNOT1, a class I KNOX gene, overlaps cell layers and development compartments of differentiating cells in stems and flowers of Helianthus tuberosus
In plant, post‐embryonic development relies on the activities of indeterminate cell populations termed meristems, spatially clustered cell lineages, wherein a subset divides indeterminately. ForExpand
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Acquisition of high embryogenic potential in regenerated plants of Helianthus annuus x H. tuberosus
Differentiated tissues of the tetraploid interspecific hybrid H. annuus x H. tuberosus (2n = 4x = 68) respond to growth regulator stimuli chiefly by forming callus, while somatic embryogenesis and/orExpand
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Origin and Development In Vitro of Shoot Buds and Somatic Embryos from Intact Roots of Helianthus annuus × H. tuberosus
A variant clone of the tetraploid (2n = 4x = 68) interspecific hybrid Helianthus annuus x H. tuberosus derived by in vitro tissue culture showed a deviation from the usual pattern of organization ofExpand
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Early seedling growth and morphogenesis in the xantha1 mutant of sunflower with alteration of chloroplast biogenesis
In the xantha1 (xan1) mutant of sunflower (Helianthus annuus L.), the effects on organ anatomy and seedling growth did correlate to the alteration of chloroplast biogenesis. The xan1 seedlings grownExpand
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